On Fri, Oct 18, 2013 at 1:34 PM, John R Pierce pierce@hogranch.com wrote:
On 10/18/2013 5:49 AM, Paolo De Michele wrote:
I have a dedicated server with several services running: ssh, ftp, httpd (with several sites andactive domains), the mail server (dovecot, postfix), dns.
I'd like to monitor all of these services in a graphical, easy, setting of thresholds and alerts via email. I would also like that if a customer wanted to see the graphs I could create codes read-only.
to echo whats already been said, and perhaps clarify...
Nagios is the classic alert package. while its usually run on a dedicated server and monitors a bunch of other servers, it certainly can be used on a single system. But, Graphing in Nagios is a bit of a pain.
Cacti is a excellent graphing package, same thing, its usually run on a central server that monitors lots of stuff on other servers, it can be run on the same machine. however, setting up alerts in Cacti is difficult. You may find older references to 'mrtg', well, mrtg was
Are you referring to this Cacti plugin [0] or something else?
[0] http://docs.cacti.net/plugin:monitor
rewritten as rrdtool, and rrdtool is the basis of Cacti.
both of these systems have web based displays, and use 'agent' based data collection. Its not unusual to use both at once for their respective strong points.
My thought exactly. Use each one for the job it was designed for (and good at).
with any of these systems, you typically have a line in the agent script for each thing you want to monitor on a given host. utility scripts such as check_postgresql.pl let you get extensive data out of postgres databases
-- john r pierce 37N 122W somewhere on the middle of the left coast
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